Clues

AO1: Where sleeping problems aren't associated with health or physical causes. It may be due to bad sleep habit or it may be that the physical cause has gone. This is ___________ insomnia. (7)

AO1: Where sleeping problems are caused by underlying medical, psychiatric or environmental causes. This is ____________ insomnia. (9)

AO2: an alternative explanation for insomnia comes from what approach? (9)

AO2: chronic insomnia can't be explained by one factor. There are a large number of factors which contribute to an individuals insomnia therefore it's difficult to conduct meaningful what? (8)

AO2: some think that if insomnia is a symptom of something else that it's important you treat the underlying cause rather than the insomnia.Ohayon and Roth (2003) argue insomnia is followed by mood disorders so insomnia should always be...? (7)